Douro River Cruises in Porto

In Gaia, all of them. The lodges sit on the south bank, opposite the old town, about fifteen minutes on foot from Ribeira across the lower deck of the Dom Luís I bridge. Tour listings usually say “Porto” because that is what people search for.

No, and it is the most common mix-up here. The cruise is the fifty-minute six-bridges loop inside the city. The valley, where the vines actually grow, starts about ninety minutes upriver by road and takes a full day, usually nine or ten hours.

Several, but they face the open Atlantic. The water stays around 18 °C even in August and drops to about 14 °C in winter, and there is usually wind. Matosinhos and Espinho are good surf beaches and pleasant to walk; they are not warm swimming beaches.

Harder than it looks. From the river at Ribeira up to Clérigos is roughly seventy metres of climb, largely on polished mosaic paving that gets slippery in rain. The Guindais funicular and the Gaia cable car take out two of the steepest sections.

Yes — entry is ticketed with a time slot, and the queue outside is for people who did not book one. The ticket works as a voucher against a book, so the visit effectively costs nothing if you buy one.

A lot, which is fortunate: this is one of the wettest parts of Portugal, with the heaviest rain between October and February. The cellars, Palácio da Bolsa, Livraria Lello, cooking workshops and the concert hall are all indoors and run whatever the weather.